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・ Arithmancy
・ Arithmaurel
・ Arithmetic
・ Arithmetic (song)
・ Arithmetic and geometric Frobenius
・ Arithmetic circuit complexity
・ Arithmetic coding
・ Arithmetic combinatorics
・ Arithmetic derivative
・ Arithmetic dynamics
・ Arithmetic for Parents
・ Arithmetic function
・ Arithmetic genus
・ Arithmetic group
・ Arithmetic hyperbolic 3-manifold
Arithmetic IF
・ Arithmetic logic unit
・ Arithmetic mean
・ Arithmetic number
・ Arithmetic of abelian varieties
・ Arithmetic overflow
・ Arithmetic progression
・ Arithmetic rope
・ Arithmetic shift
・ Arithmetic surface
・ Arithmetic topology
・ Arithmetic underflow
・ Arithmetic variety
・ Arithmetic zeta function
・ Arithmetica


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Arithmetic IF : ウィキペディア英語版
Arithmetic IF
The arithmetic IF statement is a three-way arithmetic conditional statement, first seen in the first release of Fortran in 1957, and found in all later versions, and some other programming languages, such as FOCAL. Unlike the logical IF statements seen in other languages, the Fortran statement defines three different branches depending on whether the result of an expression was negative, zero, or positive, in said order, written as:

IF (expression) negative,zero,positive

While it was originally the only kind of IF statement provided in Fortran, the feature was used less and less frequently after the logical IF statements were introduced, and was finally labeled obsolescent in Fortran 90. No features have been deleted from Fortran since Fortran 90.
==See also==

* Sign function
* Three-way comparison
* Conditional (programming)

抄文引用元・出典: フリー百科事典『 ウィキペディア(Wikipedia)
ウィキペディアで「Arithmetic IF」の詳細全文を読む



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